diff --git a/doc/README_CN.md b/doc/README_CN.md
index e8b0774..891459e 100644
--- a/doc/README_CN.md
+++ b/doc/README_CN.md
@@ -115,11 +115,11 @@ ZoomEye:
 		stype <v4/v6>	 			设置获取数据类型IPV4或IPV6，默认为 ipv4,ipv6 全选
 		btype <host/web> 			设置批量查询的API接口(默认为HOST)
 		timeout <num>	 			设置Kunyu HTTP请求的超时时间
-		thread  		 			设置PupilSearch线程数量(默认为10)
-		deep   			 			设置PupilSearch递归深度(默认为2)
-		all  			 			PupilSearch Add All Url To Check List
-		fuzz   			 			PupilSearch Add Api To Check List
-    	proxy  			 			PupilSearch HTTP Proxy
+		thread  		 		设置PupilSearch线程数量(默认为10)
+		deep   			 		设置PupilSearch递归深度(默认为2)
+		all  			 		PupilSearch Add All Url To Check List
+		fuzz   			 		PupilSearch Add Api To Check List
+    		proxy  			 		PupilSearch HTTP Proxy
 ```
 
 ## 使用案例